I think we are entering a historic time. For the last several hundred years Anglo Saxon countries...?

Pretty much anything besides solar and wind would require an ample water supply. And you'd have to be able to vent off the steam from evaporated water, giving away the bunker. What about an underground river?

That could spin a turbine and generate electricity.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.